NEC has taken Nintendo's Wii Remote to its logical conclusion and announced that it is developing device controls you wear on your wrist.
Each watch-like gadget comprises an accelerometer for motion sensing, plus sensors that register touches to the arm.
The sensors divide the arm into four zones, NEC said: the upper, middle …

Um..kinect

Or....

Or you can just put big gel-soft-type buttons on the wristband.... I wonder how this setup would react during jumping jacks, since it seems to be pitched as a "while exercising" device that can detect hand claps.....